X030642019-06-0700001549848Hi-Crush Inc.HCR0001555130Rasmus Robert E.1330 POST OAK BLVDSUITE 600HOUSTONTX770561100CEO and DirectorCommon Stock2019-06-074P01000001.63A122189DCommon Stock4045171ISee Footnote-Common Stock175468ISee FootnoteCommon Stock500ISee FootnoteThe price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.59-$1.675, inclusive. The reporting person undertakes to provide to Hi-Crush Inc., any security holder of Hi-Crush Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.The shares of Common Stock are held by RER Legacy Investments LLC ("RER LLC"). The Reporting Person is a member of RER LLC and may be deemed the beneficial owner of the Common Stock held by RER LLC.The shares of Common Stock are held by RER Investments LLC. The Reporting Person is the sole member of RER Investments LLC. Includes shares previously owned directly by the Reporting Person which were distributed to RER Investments LLC and are now owned indirectly.The shares of Common Stock included in this report were purchased by the Reporting Person's son for his own account in a Directed Unit Program in connection with the initial public offering of common units representing limited partner interests in the Issuer, which subsequently converted from a partnership to a corporation. The Reporting Person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for the purposes of Section 16 or for any other purpose./s/ Mark C. Skolos, as Attorney-In-Fact for Robert E. Rasmus2019-06-07